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                    计算机基础-操作系统-进程-计算机网络
            
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                    volatile&synchronized
            
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                    线程池的工作原理
            
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                    SpringBoot
            
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                    SQL常用使用
            
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                    redis学习笔记
            
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                    Redis中的队列list实现秒杀活动抢购
            
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                    mysql绿色版安装服务教程
            
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                    缓存
            
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                    MySQL单表备份还原
            
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                    windows常用命令
            
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                    spring security 配置发生错误 Can't configure antMatchers after anyRequest
            
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                    AOP内获取了对请求流操作后报流已经关闭错误的问题
            
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        <li class="chapter " data-level="26.1" data-path="../tools/github/github_ssh.html">
            
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                    Github ssh key 解决提交后push频繁输入用户名和密码
            
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                    sharding-jdbc-4.1.1版本启动数据源报错问题
            
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<pre><code class="lang-xml"><span class="hljs-comment">&lt;!-- apache commons-net &#x5DE5;&#x5177;&#x5305;  --&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>commons-net<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>commons-net<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>3.6<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span>
</code></pre>
<h4 id="ftp&#x6587;&#x4EF6;&#x4E0A;&#x4F20;"><a name="ftp&#x6587;&#x4EF6;&#x4E0A;&#x4F20;" class="anchor-navigation-ex-anchor" href="#ftp&#x6587;&#x4EF6;&#x4E0A;&#x4F20;"><i class="fa fa-link" aria-hidden="true"></i></a>FTP&#x6587;&#x4EF6;&#x4E0A;&#x4F20;</h4>
<p>&#x4E0A;&#x4F20;&#x6587;&#x4EF6;&#x5230;FTP&#x6587;&#x4EF6;&#x670D;&#x52A1;&#x5668;&#x4E0A;</p>
<pre><code class="lang-java">
<span class="hljs-comment">/**
 * <span class="hljs-doctag">@Description</span>: &#x4E0A;&#x4F20;&#x6587;&#x4EF6;&#x5230;FTP&#x670D;&#x52A1;&#x5668;
 * <span class="hljs-doctag">@author</span> TianwYam
 * <span class="hljs-doctag">@date</span>: 2021&#x5E74;3&#x6708;30&#x65E5; 
 * <span class="hljs-doctag">@param</span> filePath &#x9700;&#x8981;&#x4E0A;&#x4F20;&#x7684;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;
 * <span class="hljs-doctag">@param</span> fileName &#x9700;&#x8981;&#x4E0A;&#x4F20;&#x7684;&#x6587;&#x4EF6;&#x540D;&#x79F0;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">boolean</span> <span class="hljs-title">sendFile2FTP</span><span class="hljs-params">(String filePath, String fileName)</span> </span>{
    <span class="hljs-comment">// &#x65B0;&#x5EFA; FTP&#x8FDE;&#x63A5;</span>
    FTPClient ftpClient = <span class="hljs-keyword">new</span> FTPClient();
    <span class="hljs-keyword">try</span>(
        <span class="hljs-comment">// &#x8BFB;&#x53D6;&#x9700;&#x8981;&#x4E0A;&#x4F20;&#x7684;&#x6587;&#x4EF6;</span>
        FileInputStream fis = <span class="hljs-keyword">new</span> FileInputStream(<span class="hljs-keyword">new</span> File(filePath + File.separator + fileName));){

        <span class="hljs-comment">// &#x8FDE;&#x63A5;FTP&#x670D;&#x52A1;&#x5668;</span>
        ftpClient.connect(FTP_SERVER_IP, FTP_SERVER_PORT);
        <span class="hljs-comment">// &#x767B;&#x9646;FTP&#x670D;&#x52A1;&#x5668;</span>
        ftpClient.login(FTP_USERNAME, FTP_PASSWORD);
        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x4E0A;&#x4F20;&#x76EE;&#x5F55;(FTP&#x6587;&#x4EF6;&#x670D;&#x52A1;&#x5668;&#x4E0A;&#x7684;&#x5B58;&#x653E;&#x6587;&#x4EF6;&#x7684;&#x76EE;&#x5F55;)</span>
        ftpClient.changeWorkingDirectory(FTP_FILE_PATH);
        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x7F13;&#x5B58;&#x5927;&#x5C0F;</span>
        ftpClient.setBufferSize(<span class="hljs-number">1024</span>);
        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x7F16;&#x7801;</span>
        ftpClient.setControlEncoding(<span class="hljs-string">&quot;UTF-8&quot;</span>);
        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x4E0A;&#x4F20;&#x6587;&#x4EF6;&#x683C;&#x5F0F; &#x4E8C;&#x8FDB;&#x5236;&#x683C;&#x5F0F;</span>
        ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
        <span class="hljs-comment">// &#x4E0A;&#x4F20;&#x6587;&#x4EF6;&#x3001;&#x5B58;&#x50A8;&#x6587;&#x4EF6;&#x5230;FTP&#x670D;&#x52A1;&#x5668;</span>
        ftpClient.storeFile(fileName, fis);
        <span class="hljs-comment">// &#x4E0A;&#x4F20;&#x6210;&#x529F;</span>
        <span class="hljs-keyword">return</span> <span class="hljs-keyword">true</span>;
    }<span class="hljs-keyword">catch</span> (Exception e) {
        log.error(<span class="hljs-string">&quot;&#x4E0A;&#x4F20;&#x6587;&#x4EF6;&#x3010;{}&#x3011;&#x5230;FTP&#x670D;&#x52A1;&#x5668;&#x53D1;&#x751F;&#x5F02;&#x5E38;:&quot;</span>, fileName,  e);
    }<span class="hljs-keyword">finally</span> {
        <span class="hljs-keyword">try</span> {
            <span class="hljs-keyword">if</span>(ftpClient != <span class="hljs-keyword">null</span>){
                ftpClient.disconnect();
            }
        } <span class="hljs-keyword">catch</span> (IOException e) {
            log.error(<span class="hljs-string">&quot;&#x5173;&#x95ED;FTP&#x670D;&#x52A1;&#x5668;&#x8FDE;&#x63A5;&#x53D1;&#x751F;&#x5F02;&#x5E38;&quot;</span>, e);
        }
    }

    <span class="hljs-keyword">return</span> <span class="hljs-keyword">false</span>;
}
</code></pre>
<h4 id="ftp&#x6587;&#x4EF6;&#x4E0B;&#x8F7D;"><a name="ftp&#x6587;&#x4EF6;&#x4E0B;&#x8F7D;" class="anchor-navigation-ex-anchor" href="#ftp&#x6587;&#x4EF6;&#x4E0B;&#x8F7D;"><i class="fa fa-link" aria-hidden="true"></i></a>FTP&#x6587;&#x4EF6;&#x4E0B;&#x8F7D;</h4>
<p>&#x4ECE;FTP&#x6587;&#x4EF6;&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x4E0B;&#x8F7D;&#x540C;&#x540E;&#x7F00;&#x7C7B;&#x578B;&#x7684;&#x6587;&#x4EF6;&#x5230;&#x672C;&#x5730;&#xFF0C;&#x5E76;&#x8FD4;&#x56DE;&#x4E0B;&#x8F7D;&#x7684;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;</p>
<pre><code class="lang-java">
<span class="hljs-comment">/**
 * <span class="hljs-doctag">@Description</span>: &#x4ECE;FTP&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x83B7;&#x53D6;&#x6587;&#x4EF6;
 * <span class="hljs-doctag">@author</span> TianwYam
 * <span class="hljs-doctag">@date</span>: 2021&#x5E74;3&#x6708;30&#x65E5; 
 * <span class="hljs-doctag">@param</span> filePath &#x83B7;&#x53D6;&#x540E;&#x7684;&#x6587;&#x4EF6;&#x5B58;&#x653E;&#x76EE;&#x5F55;
 * <span class="hljs-doctag">@param</span> remoteFileSuffix FTP&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x7684;&#x6587;&#x4EF6;&#x540E;&#x7F00;&#xFF0C;&#x8FD4;&#x56DE;&#x540C;&#x7C7B;&#x578B;&#x6587;&#x4EF6;
 * <span class="hljs-doctag">@return</span> &#x5B58;&#x653E;&#x8FD4;&#x56DE;&#x7684;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> List&lt;String&gt; <span class="hljs-title">getFileFromFTP</span><span class="hljs-params">(String filePath, String remoteFileSuffix)</span> </span>{

    <span class="hljs-comment">// &#x5B58;&#x653E;&#x8FD4;&#x56DE;&#x7684;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;</span>
    List&lt;String&gt; retFilePathList =  <span class="hljs-keyword">new</span> ArrayList&lt;&gt;();
    <span class="hljs-comment">// &#x65B0;&#x5EFA; FTP &#x8FDE;&#x63A5;</span>
    FTPClient ftpClient = <span class="hljs-keyword">new</span> FTPClient();
    <span class="hljs-keyword">try</span> {
        <span class="hljs-comment">// &#x521B;&#x5EFA;&#x76EE;&#x5F55;(&#x672C;&#x5730;&#x5B58;&#x653E;&#x6587;&#x4EF6;&#x7684;&#x8DEF;&#x5F84;&#xFF0C;&#x82E5;&#x662F;&#x4E0D;&#x5B58;&#x5728;&#xFF0C;&#x5219;&#x521B;&#x5EFA;)</span>
        mkdir(filePath);

        <span class="hljs-comment">// &#x8FDE;&#x63A5;FTP&#x670D;&#x52A1;&#x5668;</span>
        ftpClient.connect(FTP_SERVER_IP, FTP_SERVER_PORT);
        <span class="hljs-comment">// &#x767B;&#x9646;FTP&#x670D;&#x52A1;&#x5668;</span>
        ftpClient.login(FTP_USERNAME, FTP_PASSWORD);

        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x7F13;&#x5B58;&#x5927;&#x5C0F;</span>
        ftpClient.setBufferSize(<span class="hljs-number">1024</span>);
        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x7F16;&#x7801;</span>
        ftpClient.setControlEncoding(<span class="hljs-string">&quot;UTF-8&quot;</span>);
        <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x6587;&#x4EF6;&#x683C;&#x5F0F; &#x4E8C;&#x8FDB;&#x5236;&#x683C;&#x5F0F;</span>
        ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);

        <span class="hljs-comment">// &#x5207;&#x6362;&#x5230; &#x8FDC;&#x7A0B;&#x4E0B;&#x8F7D;&#x76EE;&#x5F55;&#x6587;&#x4EF6;&#x4E0B;(FTP&#x6587;&#x4EF6;&#x670D;&#x52A1;&#x5668;&#x4E0A;&#x7684;&#x5B58;&#x653E;&#x6587;&#x4EF6;&#x7684;&#x76EE;&#x5F55;)</span>
        ftpClient.changeWorkingDirectory(FTP_FILE_PATH);

        <span class="hljs-comment">// &#x83B7;&#x53D6; FTP&#x6587;&#x4EF6;&#x670D;&#x52A1;&#x5668;&#x4E0A;&#x7684; &#x6587;&#x4EF6;&#x5217;&#x8868;</span>
        FTPFile[] listFiles = ftpClient.listFiles(FTP_FILE_PATH, <span class="hljs-keyword">new</span> FTPFileFilter() {
            <span class="hljs-meta">@Override</span>
            <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">boolean</span> <span class="hljs-title">accept</span><span class="hljs-params">(FTPFile ftpFile)</span> </span>{
                <span class="hljs-comment">// &#x6587;&#x4EF6;&#x540D;</span>
                String name = ftpFile.getName();
                <span class="hljs-comment">// &#x540E;&#x7F00;</span>
                String suffix = FilenameUtils.getExtension(name);
                <span class="hljs-comment">// &#x83B7;&#x53D6;&#x76F8;&#x540C;&#x7C7B;&#x578B;&#x7684;&#x6587;&#x4EF6;</span>
                <span class="hljs-keyword">return</span> Objects.equals(suffix, remoteFileSuffix) ;
            }
        });

        <span class="hljs-comment">// &#x4E0B;&#x8F7D;&#x591A;&#x4E2A;&#x6587;&#x4EF6;</span>
        <span class="hljs-keyword">for</span> (FTPFile ftpFile : listFiles) {
            String name = ftpFile.getName();
            <span class="hljs-comment">// &#x4FDD;&#x5B58;&#x5230;&#x672C;&#x5730;&#x7684; &#x6587;&#x4EF6;&#x5168;&#x8DEF;&#x5F84;</span>
            String outFilePath = filePath + File.separator + name;
            log.info(<span class="hljs-string">&quot;&#x4ECE;FTP&#x670D;&#x52A1;&#x5668;&#x4E0B;&#x8F7D;&#x6587;&#x4EF6;&#xFF1A;{} &#x5230;&#xFF1A;{}&quot;</span>, name, outFilePath);
            <span class="hljs-keyword">try</span>(
                <span class="hljs-comment">// &#x83B7;&#x53D6;&#x540E;&#x7684;&#x6587;&#x4EF6;&#x5B58;&#x653E;&#x76EE;&#x5F55;</span>
                FileOutputStream fos = <span class="hljs-keyword">new</span> FileOutputStream(<span class="hljs-keyword">new</span> File(outFilePath));){
                <span class="hljs-comment">// &#x4ECE;FTP&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x83B7;&#x53D6; &#x6587;&#x4EF6; &#x5230;&#x8F93;&#x51FA;&#x6D41;</span>
                ftpClient.retrieveFile(name, fos);
                <span class="hljs-comment">// &#x4ECE;FTP&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x5220;&#x9664;&#x6587;&#x4EF6;</span>
                ftpClient.deleteFile(name);
                <span class="hljs-comment">// &#x5237;&#x65B0;&#x8F93;&#x51FA;&#x7F13;&#x51B2;</span>
                fos.flush();
                <span class="hljs-comment">// &#x628A;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;&#x8FD4;&#x56DE;</span>
                retFilePathList.add(outFilePath);
            }<span class="hljs-keyword">catch</span> (Exception e) {
                log.error(<span class="hljs-string">&quot;&#x4ECE;FTP&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x83B7;&#x53D6;&#x6587;&#x4EF6;&#x3010;{}&#x3011;&#x53D1;&#x751F;&#x5F02;&#x5E38;:&quot;</span>, name,  e);
            }
        }

    }<span class="hljs-keyword">catch</span> (Exception e) {
        log.error(<span class="hljs-string">&quot;&#x4ECE;FTP&#x670D;&#x52A1;&#x5668;&#x4E2D;&#x83B7;&#x53D6;&#x6587;&#x4EF6;&#x7C7B;&#x578B;&#x3010;{}&#x3011;&#x53D1;&#x751F;&#x5F02;&#x5E38;:&quot;</span>, remoteFileSuffix,  e);
    }<span class="hljs-keyword">finally</span> {
        <span class="hljs-keyword">try</span> {
            <span class="hljs-keyword">if</span>(ftpClient != <span class="hljs-keyword">null</span>){
                ftpClient.disconnect();
            }
        } <span class="hljs-keyword">catch</span> (IOException e) {
            log.error(<span class="hljs-string">&quot;&#x5173;&#x95ED;FTP&#x670D;&#x52A1;&#x5668;&#x8FDE;&#x63A5;&#x53D1;&#x751F;&#x5F02;&#x5E38;&quot;</span>, e);
        }
    }

    <span class="hljs-keyword">return</span> retFilePathList ;
}
</code></pre>
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